BPR是（）应用成功的前提。 A: ERP B: CRM C: CTI D: Ca11Center

11标准定义的分布式协调功能采用了(28)协议。 A: CSMA/CD B: CSMA/CA C: CDMA/CD D: CDMA/CA

Which of the following can NOT be learned from the passage A: The World Trade Center was devastated by the 2001 September 11 attacks. B: The new World Trade Center will be better able to protect the environment and save energy. C: The World Trade Center to be restored will achieve LEED standard. D: New York will be praised for rebuilding the World Trade Center.

On September 11, 2001, America suffered coordinated terrorist attacks from the air. Two hijacked planes were flown into the twin towers of the World Trade Center in ________.

On September 11, 2001, when foreign terrorists hijacked five passenger planes, two of them flew and crashed into the World Trade Center towers in New York City. _________

Whichof the followings are considered the characteristics of London? A: The sports center B: The financial center C: The business center D: The cultural center

无线局域网802。11的MAC层使用的协议是（ ）。 A: UDP B: CSMA/CD C: CSMA/CA D: PPP

设置表格在页面上居中显示的属性是（）。 A: <;tablevalign=”center”>; B: <;tralign=”center”>; C: <;tablealign=”center”>; D: <;tdalign=”center”>;

PKI架构通常分为CA层次、CA网、单CA和（） A: 双CA B: 树CA C: 桥CA D: 链CA

Goods handling may account for only 50% of the direct labor cost in warehouse and 70% in( ). A: Sales center B: Distribution center (B) Stock center (D) Process center